Given:
machining time=7.68 min Â
Part handling time=2.65 min
tool changing time=15.535min , hourly rate for perform operation
=118.84$/hr
since cost of changing tool is not given, assuming cost
of changing tool=118.84$/hr
so cost of performing machining and
handling operation per part = (7.68+2.65)*118.84/60
=20.46 $
cost of changing tool per part= tool changing
time*cost of tool changing/60/total workpieces requiring tool
change
=15.535*118.84/60/585
= 0.0526$
cost of cutting tool per part= cost of cutting
tool/total workpieces
= 100.75/585
= 0.1722 $
Total Cost=cost of cutting tool per part + cost
of changing tool per part +Â Â cost of performing machining
and handling operation per part
= 0.1722+ 0.0526+20.46
= 20.684$
total cost per part= 20.684 $
